Base | Representation |
---|---|
bin | 111101111111011… |
… | …000011010001001 |
3 | 2200110222202101210 |
4 | 331333120122021 |
5 | 4112221301400 |
6 | 251111203333 |
7 | 34526032341 |
oct | 7577303211 |
9 | 2613882353 |
10 | 1040025225 |
11 | 494081388 |
12 | 250376549 |
13 | 137612355 |
14 | 9c1a9d21 |
15 | 6148a950 |
hex | 3dfd8689 |
1040025225 has 48 divisors (see below), whose sum is σ = 1747888128. Its totient is φ = 545610240.
The previous prime is 1040025223. The next prime is 1040025227. The reversal of 1040025225 is 5225200401.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1040025223) and next prime (1040025227).
It is not a de Polignac number, because 1040025225 - 21 = 1040025223 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1040025221) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1304527 + ... + 1305323.
It is an arithmetic number, because the mean of its divisors is an integer number (36414336).
Almost surely, 21040025225 is an apocalyptic number.
1040025225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1040025225 is a deficient number, since it is larger than the sum of its proper divisors (707862903).
1040025225 is a wasteful number, since it uses less digits than its factorization.
1040025225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1074 (or 1069 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 1040025225 is about 32249.4220878452. The cubic root of 1040025225 is about 1013.1675950828.
Adding to 1040025225 its reverse (5225200401), we get a palindrome (6265225626).
The spelling of 1040025225 in words is "one billion, forty million, twenty-five thousand, two hundred twenty-five".
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